Extreme weather events such as heat waves and drought affect the presence of certain bird species.

The researchers established conclusively that penguins arose in the cool coastal regions of Australia and New Zealand, not frigid Antarctica, as many scientists thought.

If sustainably managed, wild fisheries and mariculture could help meet the rising demand for food in the long term.

Changes in climate and habitat on the breeding and non-breeding grounds of migratory birds are both playing an important part in driving their long-term population changes.

Homeowners who have been seeing more rats than usual during quarantine can follow a few simple steps to avoid an infestation.

Views from above show the extent of change across Alaska’s Glacier Bay National Park.

Researchers are using satellite and ground data to forecast the risk of cholera in the country, which has consistently experienced cases since 2017.

Much of the recent publicity about threats to the world’s bee populations has focused on problems, including colony collapse disorder, plaguing the large, domesticated honeybee colonies that are trucked from region to region to pollinate everything from almonds to fruit trees.

Polar bears rely on sea ice to hunt seals, their preferred prey.

Killer whales along the Norwegian coast have long classified as fish-eaters. New research shows that some of them also eat seals - and accumulate large amounts of harmful pollutants.